3965885692 has 12 divisors (see below), whose sum is σ = 6941274480. Its totient is φ = 1982664416.

The previous prime is 3965885689. The next prime is 3965885701. The reversal of 3965885692 is 2965885693.

It is a self number, because there is not a number n which added to its sum of digits gives 3965885692.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35728 + ... + 95959.

It is an arithmetic number, because the mean of its divisors is an integer number (578439540).

Almost surely, 2^3965885692 is an apocalyptic number.

It is an amenable number.

3965885692 is a deficient number, since it is larger than the sum of its proper divisors (2975388788).

3965885692 is a wasteful number, since it uses less digits than its factorization.

3965885692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139220 (or 139218 counting only the distinct ones).

The product of its digits is 27993600, while the sum is 61.

The square root of 3965885692 is about 62975.2784193925. The cubic root of 3965885692 is about 1582.8754043346.

Subtracting from 3965885692 its reverse (2965885693), we obtain a palindrome (999999999).

The spelling of 3965885692 in words is "three billion, nine hundred sixty-five million, eight hundred eighty-five thousand, six hundred ninety-two".